Biology · Animal Kingdom
संघ कॉर्डेटा (Phylum Chordata) के जीवों में निम्नलिखित में से कौन सी विशेषता अनिवार्य रूप से उपस्थित होती है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1द्विकोरिक (Diploblastic) शरीर संगठन
- 2जल संवहन तंत्र
- 3काइटिन का बना बाह्यकंकाल
- 4नोटोकॉर्ड (पृष्ठरज्जू)✓
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नोटोकॉर्ड (पृष्ठरज्जू)
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